Amigapd had an interview with Mathew Carr. Mathew is the developer of the Gravity Beam game for the Amiga. Mathew's first computer was a Sinclair, but he later used an Amiga 500. He started making games with the help of AMOS for the Amiga and DarkBASIC and Blitz Basic for the PC. You can read the whole interview on the Amigapd web page.
The Gravity Beam web page.